EPJ Web Conf.
Volume 175, 201835th International Symposium on Lattice Field Theory (Lattice 2017)
|Number of page(s)||8|
|Section||5 Hadron Spectroscopy and Interactions|
|Published online||26 March 2018|
Lattice QCD studies on baryon interactions in the strangeness -2 sector with physical quark masses
Center for Gravitational Physics, Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606-8502, Japan
2 Theoretical Research Division, Nishina Center, RIKEN, Wako 351-0198, Japan
3 Center for Computational Sciences, University of Tsukuba, Tsukuba 305-8577, Japan
4 iTHEMS Program and iTHES Research Group, RIKEN, Wako 351-0198, Japan
5 Research Center for Nuclear Physics (RCNP), Osaka University, Osaka 567-0047, Japan
6 Nihon University, College of Bioresource Sciences, Kanagawa 252-0880, Japan
* Speaker, e-mail: firstname.lastname@example.org
Published online: 26 March 2018
We investigate baryon-baryon (BB) interactions in the strangeness S = −2 sector via the coupled-channel HAL QCD method which enables us to extract the scattering observables from Nambu-Bethe-Salpeter (NBS) wave function on the lattice. The simulations are performed with (almost) physical quark masses (mπ = 146MeV) and a huge lattice volume of La = 8.1fm. We discuss the fate of H-dibaryon state through the ΛΛ and NΞ coupled-channel scatterings
© The Authors, published by EDP Sciences, 2018
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